Henky e



Sept. 1, 1925.

H. E. MUCHNIC GAUGE COCK Filed Oct. 1, 1923 Patented Sept. 1, 1925.

UNlTED STATES HENRY E. MUCHNIC, 0F ATCHISON, KANSAS.

GAUGE COCK.

Application filed October 1, 1923.

To all whom it may concern:

Be it known that I, HENRY E. MUCI-INIO, a citizen ot the United States,residing at Atchison, in the county of Atchison and State of Kansas,have invented certain new and useful Improvements in a Gauge Cook, ofwhich the following is a specification.

This invention relates to improvements in gauge cocks, and has for itsobject to provide a device of that character which is more economical tomanufacture than present day devices, and one in which replacement ofthe washer may be quickly and readily effected while the valve is inposition cutting off the flow of fluid from the boiler, or the like, towhich the cock is attached.

These and other objects are more fully set forth and described in thefollowing specification and shown in the accompanying drawing, in whichI have shown one embodiment of my invention in-longitudinal section, thevalve member being shown in elevation.

In the drawings, 10 designates the body of the gauge cock having thetapered threaded shank 10 adapted to be inserted in a boiler, as is wellknown. An inlet duct 10 and an outlet duct 1O is provided, the formerleading to and the latter leading from the central or main chamber 10which is divided by the boss 01' partition 10 in which are formed thelay-passages 1O permitting flow from the inlet duct to the outlet duct.The boss 10 is provided with a central threaded aperture 10 In the upperpart of the body portion 10 is provided a bore or aperture 10*, at thebottom of which is provided a shoulder 1O upon which seats the washer 11of fiber or other material.

Projecting laterally from the body portion 10 is the elbow member 10 inwhich is provided the discharge duct 1O leading to the atmosphere fromthe bore 10 Threaded into the bore 1O is the stufing b0 sleeve 13 havinga peripheral groove 12 and ports 12 leading from the chamber 12 on theinterior of the sleeve 12, the groove 12 being in alinement withdischarge duct 10 when in assembled position, the chamber 12 forming acontinuation of the outlet duct 10. Stufiing box sleeve 12 contacts withone side of the washer and serves to maintain the same on shoulder 10the stnfiing box sleeve 12 carrying the usual Serial No. 665,749.

gland 12 and nut 12 and being apertured to closely fit the stem 13*- ofvalve member 13, as shown in the drawing, packing 14 being provided toprevent leakage around the stem 13 in well known manner.

Valve 13 is provided with the reduced portion 18 extending through theaperture in washer l1 and provides a clearance through which escapingfluid may pass when the valve permits. Beneath the reduced portion 13 isthe flange 13 adapted to contact with the lower side of washer 11 toclose outlet duct 10 as will be obvious. At its lower extremity, thevalve is rounded, at 13, to coact with the correspondingly formed valveseat 10 surrounding the upper end of inlet duct 10. Intermediate theflange 13' and rounded extremity 13 is the threaded portion 13 engagingthe threaded aperture 10 so that the valve 13 may be screwed up or downto close the aperture in washer 11 or the inlet duct 10. Intermediateits limit of normal travel a flow of fluid is permitted through theinlet duct 10", chamber 10, by-passages 10, outlet duct 10, ports 12 anddischarge duct 10.

\Vhen discharge of fluid is not desired, valve 13 is in the normalposition shown in the drawings cutting ofii the discharge duct 10 fromthe inlet.

hen it is desired to replace the washer 11, it is merely necessary tomove the valve 13 to the position closing inlet duct 10 after which thesleeve 12 may be unscrewed with tie stuffing-box to permit the removalof the washer 11 and replacement, this operation requiring little timeand not interfering with the closing function of the valve.

It will be obvious that my invention is susceptible of modification, andI do not wish to be restricted to the form shown and described, exceptas defined in the appended claims.

\Vhat I claim is:

1. A gauge cock comprising a body portion having a main chamber, anoutlet duct leading therefrom and an inlet duct leading thereto, a bossin said chamber having a central threaded aperture and by-passagcs, a\alve member threaded to engage said aperture, said valve member beingmovable to close one of said ducts at one extremity of its movement andto close the outlet end of the other at the other extremity of suchmovement, a washer contactable by said valve member in one closingposition, a threaded stuliing box sleeve surrounding said valve member;said body portion being apertured and threaded to accommodate saidsleeve, said sleeve being externally stewe n provided With ports leadingfrom the interior of said sleeve to said groove.

2. A gauge cock comprising a body portion having a main chamber,anoutlet duct leading therefrom and an inlet duct leading thereto, aboss in saidchamberhaving a central threaded aperture "and by-passages,a valve member threaded to" engage said aperture, saidvalvemember beingmovable to close one of said ducts at the extremity of itsmovem ent toclose the outlet-end of the otherat the other extremity of suchmovemeht, a asher contactable by said valve member in one closingposition," a threaded 'stufiing bo'X sleeve surrounding said valvemember; said body portion being apertured and threaded to accommodatesaid "sleeve, said i sleeve being externally grooved and provided withports'leading from the'interior off saidsleeve to said groove said bodyportion having a shoulder at the bottnn'f of said "threaded aperture,said asherseated thereon, sai d' stuffiiig' box sleeve holding saidWasher against said shoulder, W'h'en assembled relation.

3. A gauge cock comprising a bodyportion having a main chamber, anoutlet duct leading therefrom and an inlet duct leading thereto, a bossin said chamber having a central threaded aperture and by-passages, avalve member threaded to engage said aperture, said valve member beingmovable to close o-ne'of said ducts at one extremity of its movement andto close the outlet end of the other at the other extremity of suchmovement, a Washer contactable by said valve member in one closingposition, a threaded stuffing box sleeve surrounding said valve member;said body portion being apertured' and threaded to accommodate saidsleeve," said sleeve being externally grooved and provided with portsleading from the interior of said sleeve to said groove, said bodyportion having a shoulder at the bottom of said threaded aperture; said'vt'asher seated thereon, said stufiing box sleeve holding said Washeragainst said shoulder when inassem'bled relation; said body portionhaving a discharge duct and communioatingvvith said groove in saidsleeve.

"In testimony whereof, I have subscribed my name.

a l HENRY E- MUCH

